Same problem here, even after today updates ...
Last message from a valgrind filezilla when I drag a file, hth

==32511== Invalid read of size 8
==32511==    at 0x5ED90F4: ??? (in /usr/lib/libwx_gtk2u_core-2.8.so.0.7.0)
==32511==    by 0x84A1827: ??? (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x6D390A3: g_closure_invoke (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D4B029: ??? (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D54482: g_signal_emit_valist (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D54851: g_signal_emit (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x85BBDC0: ??? (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x849FFBA: gtk_main_do_event (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x8A0402B: ??? (in /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0.2400.6)
==32511==    by 0x936BA5C: g_main_context_dispatch (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==    by 0x936C257: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==    by 0x936C791: g_main_loop_run (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==  Address 0x7fefff990 is not stack'd, malloc'd or (recently) free'd
==32511== 
==32511== Invalid read of size 8
==32511==    at 0x5ED90F8: ??? (in /usr/lib/libwx_gtk2u_core-2.8.so.0.7.0)
==32511==    by 0x84A1827: ??? (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x6D390A3: g_closure_invoke (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D4B029: ??? (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D54482: g_signal_emit_valist (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D54851: g_signal_emit (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x85BBDC0: ??? (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x849FFBA: gtk_main_do_event (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x8A0402B: ??? (in /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0.2400.6)
==32511==    by 0x936BA5C: g_main_context_dispatch (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==    by 0x936C257: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==    by 0x936C791: g_main_loop_run (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==  Address 0x7fefff940 is not stack'd, malloc'd or (recently) free'd
==32511== 
==32511== Invalid read of size 4
==32511==    at 0x5ED9100: ??? (in /usr/lib/libwx_gtk2u_core-2.8.so.0.7.0)
==32511==    by 0x84A1827: ??? (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x6D390A3: g_closure_invoke (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D4B029: ??? (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D54482: g_signal_emit_valist (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x6D54851: g_signal_emit (in /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3000.0)
==32511==    by 0x85BBDC0: ??? (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x849FFBA: gtk_main_do_event (in /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0.2400.6)
==32511==    by 0x8A0402B: ??? (in /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0.2400.6)
==32511==    by 0x936BA5C: g_main_context_dispatch (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==    by 0x936C257: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==    by 0x936C791: g_main_loop_run (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.3000.0)
==32511==  Address 0x194 is not stack'd, malloc'd or (recently) free'd
==32511== 

++ dlyr